in reply to for loop syntax difference
for $i (1..10) creates a list with ten elements and iterates of that.
for($i=0;$i<10;$i++) initializes $i with the value 0, then for every iteration of the loop it checks $i and increments if the check returns true or ends the loop.
for($i=0;$i<10;$i++) initializes $i with the value 0, then for every iteration of the loop it checks $i and increments if the check returns true or ends the loop.
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Seekers of Perl Wisdom